Patent · US Active

Insert in a downhole drill bit

US7533738B1 · kind B1 · utility

8Cited by

5References

20Claims

0Family size

Inventors

David R. Hall · Provo, US
Casey Webb · Spanish Fork, US
Ashok Tamang · Provo, US

Key dates

Filing date	Jul 8, 2008
Grant date	May 19, 2009
Priority date	—
Expiry date	Jul 8, 2028

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B10/633
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A drill bit assembly has a bit body intermediate a shank and a working face. At least one wear resistant insert is press-fitted within a pocket formed in an outer surface of the bit. An urging element is disposed between the outer surface and a bore of the bit and the urging element is adapted to push the insert away from the bore.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.